Question and response
Question
dig mx20.guard.email. CSYNC
Answer
The response has no answer records.
Authority
guard.email. 600 SOA ns0.server.fido.net. hostmaster.fido.net. 2025083109 7200 3600 1209600 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0